a ground-breaking decision from the pentagon. cnn has learned that defense secretary leon panetta will announce a lift on the ban ainst women serving in combat positions. this is pretty incredible. this move, to give you a sense of the significance, could open up 230,000 frontline jobs to women in the military. "outfront" tonight, rosa brooks, a columnist for foreign policy and has worked in the pentagon under the obama administration and david frum, former speech writer for george w. bush and a contributor for us. rosa, right now, 50% of active duty personnel are women. they're not in combat positions. as we said, this could be hundreds of thousand of jobs suddenly would be open to women. am i right in saying this is hublgly significant? >> it's absolutely enormous. the one thing i would say though, it's not that we don't have women in combat positions. we have women who are ineligible under the former policy for combat military occupational specialties. but there really isn't any front line in today's wars. we've got women out